Enhancer for Youtube (EfYT) custom script

gistfile1.txt

// plugin (addon) for web browser youtube controls
// https://www.mrfdev.com/enhancer-for-youtube

function sleep(ms) {
    console.log('Taking a break...');
    var date = new Date();
    var curDate = null;
    do { curDate = new Date(); }
    while(curDate-date < ms);
	console.log(ms+'ms later');
}

//old versions
//function hidekeybicon() {
//  var a = document.createElement("style");
//  a.type = "text/css";
//  a.textContent = ".efy-ytp-keyboard-shortcuts{display:none!important}";
//  document.head.appendChild(a)
//}
//hidekeybicon ();

// cannot run too quicly, page must load first
sleep(2500);

// perma EfYT icons
//document.documentElement.classList.toggle('efyt-controls-visible');
document.documentElement.classList.toggle('efyt-controls-visible',true);

//hide recommended
document.querySelector('#related').classList.toggle('hidden')
document.querySelector('#items').classList.toggle('hidden')